Search Results - "Wuttig, Kathrin"

Critical evaluation of a seaFAST system for the analysis of trace metals in marine samples by Wuttig, Kathrin, Townsend, Ashley T., van der Merwe, Pier, Gault-Ringold, Melanie, Holmes, Thomas, Schallenberg, Christina, Latour, Pauline, Tonnard, Manon, Rijkenberg, Micha J.A., Lannuzel, Delphine, Bowie, Andrew R.

“…A seawater preconcentration system (seaFAST) with offline sector-field inductively coupled plasma mass spectrometry (SF-ICP-MS) detection was critically…”
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Manganese biogeochemistry in the Southern Ocean, from Tasmania to Antarctica by Latour, Pauline, Wuttig, Kathrin, van der Merwe, Pier, Strzepek, Robert F., Gault‐Ringold, Melanie, Townsend, Ashley T., Holmes, Thomas M., Corkill, Matthew, Bowie, Andrew R.

“…Manganese (Mn) is an abundant element in the Earth's crust. However, its concentrations in open ocean seawater are low, where external inputs are scarce. In…”
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Influence of organic complexation on dissolved iron distribution in East Antarctic pack ice by Genovese, Cristina, Grotti, Marco, Pittaluga, Jessica, Ardini, Francisco, Janssens, Julie, Wuttig, Kathrin, Moreau, Sebastien, Lannuzel, Delphine

“…Since Antarctic sea ice covers an area larger than the Antarctic continent itself, the discovery that it can fertilize the Southern Ocean with iron (Fe) has…”
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Identifying potential sources of iron-binding ligands in coastal Antarctic environments and the wider Southern Ocean by Smith, Abigail J.R., Nelson, Talitha, Ratnarajah, Lavenia, Genovese, Cristina, Westwood, Karen, Holmes, Thomas M., Corkill, Matthew, Townsend, Ashley T., Bell, Elanor, Wuttig, Kathrin, Lannuzel, Delphine

“…The availability of iron (Fe) to marine microbial communities is enhanced through complexation by ligands. In Fe limited environments, measuring the…”
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Characterization of a Southern Ocean deep chlorophyll maximum: Response of phytoplankton to light, iron, and manganese enrichment by Latour, Pauline, Eggins, Sam, Merwe, Pier, Bach, Lennart T., Boyd, Philip W., Ellwood, Michael J., Bowie, Andrew R., Wuttig, Kathrin, Strzepek, Robert F.

“…Southern Ocean phytoplankton growth is limited by low iron (Fe) supply and irradiance, impacting the strength of the biological carbon pump. Unfavorable upper…”
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Constraining the Contribution of Hydrothermal Iron to Southern Ocean Export Production Using Deep Ocean Iron Observations by Tagliabue, Alessandro, Bowie, Andrew R., Holmes, Thomas, Latour, Pauline, van der Merwe, Pier, Gault-Ringold, Melanie, Wuttig, Kathrin, Resing, Joseph A.

“…Hydrothermal iron supply contributes to the Southern Ocean carbon cycle via the regulation of regional export production. However, as hydrothermal iron input…”
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High Lability Fe Particles Sourced From Glacial Erosion Can Meet Previously Unaccounted Biological Demand: Heard Island, Southern Ocean by van der Merwe, Pier, Wuttig, Kathrin, Holmes, Thomas, Trull, Thomas W., Chase, Zanna, Townsend, Ashley T., Goemann, Karsten, Bowie, Andrew R.

“…Iron (Fe) is an essential micronutrient that controls phytoplankton growth in the Southern Ocean. Dissolved Fe ( 0.4µm) is far more abundant and may also…”
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Global sea-surface iodide observations, 1967–2018 by Chance, Rosie J., Tinel, Liselotte, Sherwen, Tomás, Baker, Alex R., Bell, Thomas, Brindle, John, Campos, Maria Lucia A. M., Croot, Peter, Ducklow, Hugh, Peng, He, Hopkins, Frances, Hoogakker, Babette, Hughes, Claire, Jickells, Timothy D., Loades, David, Macaya, Dharma Andrea Reyes, Mahajan, Anoop S., Malin, Gill, Phillips, Daniel, Roberts, Ieuan, Roy, Rajdeep, Sarkar, Amit, Sinha, Alok Kumar, Song, Xiuxian, Winkelbauer, Helge, Wuttig, Kathrin, Yang, Mingxi, Peng, Zhou, Carpenter, Lucy J.

“…The marine iodine cycle has significant impacts on air quality and atmospheric chemistry. Specifically, the reaction of iodide with ozone in the top few…”
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Sustained Upwelling of Subsurface Iron Supplies Seasonally Persistent Phytoplankton Blooms Around the Southern Kerguelen Plateau, Southern Ocean by Schallenberg, Christina, Bestley, Sophie, Klocker, Andreas, Trull, Thomas W., Davies, Diana M., Gault‐Ringold, Melanie, Eriksen, Ruth, Roden, Nicholas P., Sander, Sylvia G., Sumner, Michael, Townsend, Ashley T., Merwe, Pier, Westwood, Karen, Wuttig, Kathrin, Bowie, Andrew

“…Although the supply of iron generally limits phytoplankton productivity in the Southern Ocean, substantial seasonal blooms are observed over and downstream of…”
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Spatial and temporal variations in the micronutrient Fe across the Peruvian shelf from 1984 to 2017 by Gu, Yuanyuan, James Hopwood, Mark, Gledhill, Martha, Rapp, Insa, Wuttig, Kathrin, Achterberg, Eric Pieter

“…•Subsurface (50–150 m) dFe concentrations are most sensitive to ENSO variations, particularly within 50 km from the Peruvian coastline, and high dFe…”
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Effect of dissolved iron (II) and temperature on growth of the Southern Ocean phytoplankton species Fragilariopsis cylindrus and Phaeocystis antarctica by Aflenzer, Helene, Hoffmann, Linn, Holmes, Thomas, Wuttig, Kathrin, Genovese, Cristina, Bowie, Andrew Ross

“…Low bioavailability of the vital element iron (Fe) limits primary production in large regions of the Southern Ocean, thus impacting phytoplankton community…”
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Nitrate-dependent iron oxidation limits iron transport in anoxic ocean regions by Scholz, Florian, Löscher, Carolin R., Fiskal, Annika, Sommer, Stefan, Hensen, Christian, Lomnitz, Ulrike, Wuttig, Kathrin, Göttlicher, Jörg, Kossel, Elke, Steininger, Ralph, Canfield, Donald E.

“…Iron is an essential element for life on Earth and limits primary production in large parts of the ocean. Oxygen-free continental margin sediments represent an…”
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Pathways of Superoxide (O2 –) Decay in the Eastern Tropical North Atlantic by Wuttig, Kathrin, Heller, Maija I, Croot, Peter L

“…Superoxide (O2 –: IUPAC name dioxide (•1−)) is an important transient reactive oxygen species (ROS) in the ocean formed as an intermediate in the redox…”
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Effect of salinity and temperature on the determination of dissolved iron-binding organic ligands in the polar marine environment by Genovese, Cristina, Grotti, Marco, Ardini, Francisco, Wuttig, Kathrin, Vivado, Davide, Cabanes, Damien, Townsend, Ashley, Hassler, Christel, Lannuzel, Delphine

“…It is widely accepted that iron (Fe)-binding organic ligands play a crucial role in Fe distribution in the marine environment and thus in Fe biogeochemistry…”
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Circumpolar Deep Water and Shelf Sediments Support Late Summer Microbial Iron Remineralization by Smith, Abigail J. R., Ratnarajah, Lavenia, Holmes, Thomas M., Wuttig, Kathrin, Townsend, Ashley T., Westwood, Karen, Cox, Martin, Bell, Elanor, Nicol, Stephen, Lannuzel, Delphine

“…Despite widespread iron (Fe) limitation in the Southern Ocean, intense phytoplankton blooms are observed around productive coastal regions such as the Mertz…”
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Bioactive Trace Metals and Their Isotopes as Paleoproductivity Proxies: An Assessment Using GEOTRACES‐Era Data by Horner, T. J., Little, S. H., Conway, T. M., Farmer, J. R., Hertzberg, J. E., Janssen, D. J., Lough, A. J. M., McKay, J. L., Tessin, A., Galer, S. J. G., Jaccard, S. L., Lacan, F., Paytan, A., Wuttig, K.

“…Phytoplankton productivity and export sequester climatically significant quantities of atmospheric carbon dioxide as particulate organic carbon through a suite…”
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The Stability of Fe-Isotope Signatures During Low Salinity Mixing in Subarctic Estuaries by Conrad, Sarah, Wuttig, Kathrin, Jansen, Nils, Rodushkin, Ilia, Ingri, Johan

“…We have studied iron (Fe)-isotope signals in particles (> 0.22 µm) and the dissolved phase (< 0.22 µm) in two subarctic, boreal rivers, their estuaries and the…”
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Reactivity of Inorganic Mn and Mn Desferrioxamine B with O2, O2 –, and H2O2 in Seawater by Wuttig, Kathrin, Heller, Maija I, Croot, Peter L

“…Manganese (Mn) is a required element for oceanic phytoplankton as it plays a critical role in photosynthesis, through its unique redox chemistry, as the active…”
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Iron availability influences nutrient drawdown in the Heard and McDonald Islands region, Southern Ocean by Holmes, Thomas M., Wuttig, Kathrin, Chase, Zanna, van der Merwe, Pier, Townsend, Ashley T., Schallenberg, Christina, Tonnard, Manon, Bowie, Andrew R.

“…At the southern part of the northern Kerguelen Plateau (Southern Ocean) is an active volcanic hotspot, hosting volcanically active Heard Island and McDonald…”
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Mechanistic Constraints on the Drivers of Southern Ocean Meridional Iron Distributions Between Tasmania and Antarctica by Traill, Christopher D., Conde‐Pardo, Paula, Rohr, Tyler, Merwe, Pier, Townsend, Ashley T., Latour, Pauline, Gault‐Ringold, Melanie, Wuttig, Kathrin, Corkill, Matthew, Holmes, Thomas M., Warner, Mark J., Shadwick, Elizabeth, Bowie, Andrew R.

“…While modeling efforts have furthered our understanding of marine iron biogeochemistry and its influence on carbon sequestration, observations of dissolved…”
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